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Finding the Fourth Proportional to 377,563.56, 565,680.90 and 355,088.08

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Solution

The fourth proportional to 377,563.56, 565,680.90 and 355,088.08 is: 532,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,563.56 : 565,680.90 = 355,088.08 : x
  2. Step 2: Convert to fraction form
    377,563.56/565,680.90 = 355,088.08/x
  3. Step 3: Cross multiply
    377,563.56x = 565,680.90 × 355,088.08
  4. Step 4: Simplify right side
    377,563.56x = 200,866,544,673.67
  5. Step 5: Solve for x
    x = 200,866,544,673.67/377,563.56
  6. Step 6: Final answer
    x = 532,007.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.